CVE-2026-75880 Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

CVE-2026-75880 Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

EUVD-2026-75244

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

PT-2026-89275

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.0.0 through 2.44.0 Description An unauthenticated remote attacker can create arbitrary durable queues using the CORE protocol. This allows for unauthorized...

CVE-2026-49362: Missing Authentication for Critical Function

An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users...

PT-2026-89276

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.0.0 through 2.44.0 Description An unauthenticated remote attacker using the CORE protocol can discover cluster node details by sending a SUBSCRIBE TOPOLOGY reques...

PT-2026-89270

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.0.0 through 2.44.0 Description An unauthenticated network-adjacent attacker can use discovery to capture cluster administrative credentials during the initial...

CVE-2026-67593: Missing Authentication for Critical Function

A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ...

CVE-2026-49363: Missing Authentication for Critical Function

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBETOPOLOGY request prior to authentication. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are...

CVE-2026-57967: Missing Authentication for Critical Function

An unauthenticated remote attacker can craft a CORE protocol SESSIONREATTACH packet to steal an existing session and assume ongoing execution of the previously authenticated session. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0...

CVE-2026-57822: Deserialization of Untrusted Data

When the broker is processing message-based management requests, sent by an authenticated messaging client that is authorized with MANAGE permission to perform management-via-messaging, the parameter processing can trigger Java deserialization of certain method parameters that the broker will not...

PT-2026-89274

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.0.0 through 2.44.0 Description An authenticated client can attach a consumer using a selector with crafted wildcard usage. This causes excessive evaluation during...

PT-2026-89271

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.3.0 through 2.44.0 Description When processing message-based management requests from an authenticated client with MANAGE permissions, the broker may trigger Java...

PT-2026-89273

A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the Artemis broker before the connection authentication and authorization stage or at any time thereafter. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ...

CVE-2026-75880: Inefficient Regular Expression Complexity

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0...

CVE-2026-49364: Missing Authentication for Critical Function

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommend...

PT-2026-109364

Уязвимость асинхронных систем обмена сообщениями Apache ActiveMQ Artemis и Apache Artemis связана с отсутствием аутентификации для критичной функции. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, получить полный контроль над приложением...

PT-2026-89272

Name of the Vulnerable Software and Affected Versions Apache Artemis versions 2.50.0 through 2.56.0 Apache ActiveMQ Artemis versions 1.0.0 through 2.44.0 Description An unauthenticated remote attacker can craft a CORE protocol SESSION REATTACH packet to hijack a live authenticated session. This...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...

org.apache.artemis:artemis-server: org.apache.activemq:artemis-server: Apache Artemis, Apache ActiveMQ Artemis: Message injection and exfiltration due to missing authentication

A flaw was found in Apache Artemis and Apache ActiveMQ Artemis. An unauthenticated remote attacker can exploit a missing authentication for critical function vulnerability by using the Core protocol. This allows the attacker to force a target broker to establish an outbound Core federation...